#ifndef _TIMER_H_
#define _TIMER_H_
#include "at32f4xx.h"
#include "at32_board.h"
extern void TIM3_Init(u16 arr,u16 psc);
extern void TIM2_Init(u16 arr,u16 psc);
extern void TIM5_Init(u16 arr,u16 psc);
#endif

